|
|
|
|
|
|
by pfdietz
879 days ago
|
|
|
> For context, Alberta oil sands have an energy ratio of about 4 to 1, meaning it takes one barrel of oil to produce 4 barrels. They don't actually use oil to produce the oil though, do they? If they need heat it would be cheaper to use (say) natural gas. |
|
|